There are 2 professional monitors used for mastering HDR content. The sony BVM-X300 which is 30", OLED (full rgb not rgbw), 4k and 1000nits , and the Dolby Pulsar which is 42" lcd, 1080p, and has 4000 nits (it's liquid cooled by the way because the backlight gets it so hot). that's why at the...